In 1759 the British reaffirmed their naval supremacy by crippling the Spanish and French fleets in battles at Lagos, off Portugal, and Quiberon Bay, on the west coast of France. In the Caribbean, a British amphibious operation captured the lucrative sugar island of Guadeloupe. In West Africa, the British seized the French slaving entrepôt at Senegal. The British also secured a dominant position in India by routing the French
